composer 安装
官方地址:https://getcomposer.org/download/
下载地址:https://getcomposer.org/Composer-Setup.exe 下载后直接安装即可
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2 查看composer 版本
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4 composer -v
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7 composer 更新
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9 composer update
10 composer self -update (如果普通更新不了,就使用该命令)
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13 composer 降低版本
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15 composer self-update -r
16 或者是 composer self-update --1
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19 其他常用命令
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21 composer list:获取帮助信息;
22 composer init:以交互方式填写composer.json文件信息;
23 composer search:在当前项目中搜索依赖包;
24 composer show:列举所有可用的资源包;
25 composer validate:检测composer.json文件是否有效;
26 composer create-project:基于composer创建一个新的项目;
27 composer dump-autoload:在添加新的类和目录映射是更新autoloader
28 composer remove laravel/ui :删除依赖后还需要去vender文件夹里,手动删除